Merge tag 'drm-next-20230814' of...

Merge tag 'drm-next-20230814' of git://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux into drm-next

Renesas R-Car DU miscellaneous changes
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230814130531.GC22929@pendragon.ideasonboard.com

drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.c

@@ -696,6 +696,10 @@ static int rcar_du_probe(struct platform_device *pdev)
 	/* DRM/KMS objects */
 	ret = rcar_du_modeset_init(rcdu);
 	if (ret < 0) {
+		/*
+		 * Don't use dev_err_probe(), as it would overwrite the probe
+		 * deferral reason recorded in rcar_du_modeset_init().
+		 */
 		if (ret != -EPROBE_DEFER)
 			dev_err(&pdev->dev,
 				"failed to initialize DRM/KMS (%d)\n", ret);
@@ -710,7 +714,7 @@ static int rcar_du_probe(struct platform_device *pdev)
 	if (ret)
 		goto error;
 
-	DRM_INFO("Device %s probed\n", dev_name(&pdev->dev));
+	drm_info(&rcdu->ddev, "Device %s probed\n", dev_name(&pdev->dev));
 
 	drm_fbdev_generic_setup(&rcdu->ddev, 32);
 

drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c

@@ -935,7 +935,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
 	/* Initialize the Color Management Modules. */
 	ret = rcar_du_cmm_init(rcdu);
 	if (ret)
-		return ret;
+		return dev_err_probe(rcdu->dev, ret,
+				     "failed to initialize CMM\n");
 
 	/* Create the CRTCs. */
 	for (swindex = 0, hwindex = 0; swindex < rcdu->num_crtcs; ++hwindex) {
@@ -955,7 +956,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
 	/* Initialize the encoders. */
 	ret = rcar_du_encoders_init(rcdu);
 	if (ret < 0)
-		return ret;
+		return dev_err_probe(rcdu->dev, ret,
+				     "failed to initialize encoders\n");
 
 	if (ret == 0) {
 		dev_err(rcdu->dev, "error: no encoder could be initialized\n");

drivers/gpu/drm/renesas/rcar-du/rcar_du_vsp.c

@@ -123,6 +123,8 @@ static const u32 rcar_du_vsp_formats[] = {
 	DRM_FORMAT_RGB888,
 	DRM_FORMAT_BGRA8888,
 	DRM_FORMAT_BGRX8888,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_XBGR8888,
 	DRM_FORMAT_ARGB8888,
 	DRM_FORMAT_XRGB8888,
 	DRM_FORMAT_UYVY,
@@ -155,6 +157,8 @@ static const u32 rcar_du_vsp_formats_gen4[] = {
 	DRM_FORMAT_RGB888,
 	DRM_FORMAT_BGRA8888,
 	DRM_FORMAT_BGRX8888,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_XBGR8888,
 	DRM_FORMAT_ARGB8888,
 	DRM_FORMAT_XRGB8888,
 	DRM_FORMAT_RGBX1010102,
@@ -177,6 +181,41 @@ static const u32 rcar_du_vsp_formats_gen4[] = {
 	DRM_FORMAT_Y212,
 };
 
+static u32 rcar_du_vsp_state_get_format(struct rcar_du_vsp_plane_state *state)
+{
+	u32 fourcc = state->format->fourcc;
+
+	if (state->state.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE) {
+		switch (fourcc) {
+		case DRM_FORMAT_ARGB1555:
+			fourcc = DRM_FORMAT_XRGB1555;
+			break;
+
+		case DRM_FORMAT_ARGB4444:
+			fourcc = DRM_FORMAT_XRGB4444;
+			break;
+
+		case DRM_FORMAT_ARGB8888:
+			fourcc = DRM_FORMAT_XRGB8888;
+			break;
+
+		case DRM_FORMAT_ABGR8888:
+			fourcc = DRM_FORMAT_XBGR8888;
+			break;
+
+		case DRM_FORMAT_BGRA8888:
+			fourcc = DRM_FORMAT_BGRX8888;
+			break;
+
+		case DRM_FORMAT_RGBA1010102:
+			fourcc = DRM_FORMAT_RGBX1010102;
+			break;
+		}
+	}
+
+	return fourcc;
+}
+
 static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
 {
 	struct rcar_du_vsp_plane_state *state =
@@ -190,7 +229,7 @@ static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
 		.alpha = state->state.alpha >> 8,
 		.zpos = state->state.zpos,
 	};
-	u32 fourcc = state->format->fourcc;
+	u32 fourcc = rcar_du_vsp_state_get_format(state);
 	unsigned int i;
 
 	cfg.src.left = state->state.src.x1 >> 16;
@@ -207,22 +246,6 @@ static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
 		cfg.mem[i] = sg_dma_address(state->sg_tables[i].sgl)
 			   + fb->offsets[i];
 
-	if (state->state.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE) {
-		switch (fourcc) {
-		case DRM_FORMAT_ARGB1555:
-			fourcc = DRM_FORMAT_XRGB1555;
-			break;
-
-		case DRM_FORMAT_ARGB4444:
-			fourcc = DRM_FORMAT_XRGB4444;
-			break;
-
-		case DRM_FORMAT_ARGB8888:
-			fourcc = DRM_FORMAT_XRGB8888;
-			break;
-		}
-	}
-
 	format = rcar_du_format_info(fourcc);
 	cfg.pixelformat = format->v4l2;
 

drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c

@@ -1001,7 +1001,6 @@ static int rcar_mipi_dsi_get_clocks(struct rcar_mipi_dsi *dsi)
 static int rcar_mipi_dsi_probe(struct platform_device *pdev)
 {
 	struct rcar_mipi_dsi *dsi;
-	struct resource *mem;
 	int ret;
 
 	dsi = devm_kzalloc(&pdev->dev, sizeof(*dsi), GFP_KERNEL);
@@ -1018,8 +1017,7 @@ static int rcar_mipi_dsi_probe(struct platform_device *pdev)
 		return ret;
 
 	/* Acquire resources. */
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dsi->mmio = devm_ioremap_resource(dsi->dev, mem);
+	dsi->mmio = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(dsi->mmio))
 		return PTR_ERR(dsi->mmio);